Tiffin HUC8 04100006
A 2,014 km² sub-basin of the Great Lakes region in MI, OH. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
70
Moderate
Drought index
0
None
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
25%
of 4 reporting
Median flow
452%
p92 of record
Water assets
363
1 springs · 156 wells
USGS gauges (5)
- Unnamed Tributary to Lost Creek near Farmer OH041854400 cfsp10 · below normal
- Tiffin River at Stryker OH04185000129 cfsp92 · much above normal
- Bean Creek at Powers OH0418450098 cfsp92 · much above normal
- Tiffin River near Evansport OH04185318162 cfsp92 · much above normal
- LIME CREEK AT RANGER HIGHWAY NEAR MORENCI, MI0418436786 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 0 | 0 | 1/4 | p92 |
Top water assets
- 66Harrison Lake Damreservoir
- 65Addison Mill Pond Damreservoir
- 65Tiffin River At Stryker Ohriver
- 65Oxbow Lake Damreservoir
- 65Bean Creek At Powers Ohriver
- 65Unnamed Tributary To Lost Creek Near Farmer Ohriver
- 65South Central Wwt Lagoonreservoir
- 65Manitou Properties Dam 2reservoir
- 65Tiffin River Near Evansport Ohriver
- 65Manitou Properties Dam 1reservoir